INTRO. TO METAZOA;
(Porifera study images;
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a) multicellularity
b) ability to move (most species; unlike fungi and multi-cellular plants)
c) collagen (found only in animals), a versatile glycoprotein that functions in many tissues (basal lamina, sponge mesohyl, most connective tissues)
d) heterotrophy- able to consume large-bodied plants and other animals
Copyright (c) 2005by A. Richard Palmer. All rights reserved.
(revised Jan. 9, 2005)